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Pope Saint Paul VI (3 April 1969): “Although the text of the Roman Gradual—at least that which concerns the singing—has not been changed, the Entrance antiphons and Communions antiphons have been revised for Masses without singing.”

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Views from the Choir Loft

Repertoire • Sacred Music Symposium 2019

Corpus Christi Watershed · May 1, 2019

Signed up for Sacred Music Symposium 2019|??
Please learn the following repertoire
at your earliest convenience.


Thursday Night Mass (Open to the Public)

First Mass of Rev’d Luc Poirier, FSSP

27 June 2019 • “Our Lady of Perpetual Help”


1. Processional

Organist will play.


2. [men] Introit • PDF Score

Video Mp3 Labeled

Introit is identical to Feast of the Holy Rosary on 7 October.


3. Kyrie • PDF Score

EQUAL VOICES : YouTube   •   Mp3 Labeled

SOPRANO : YouTube   •   Mp3 Labeled

ALTO : YouTube   •   Mp3 Labeled

TENOR : YouTube   •   Mp3 Labeled

BASS : YouTube   •   Mp3 Labeled

MASS TITLE = “Te Saeculorum Principem” or “Jam Christus Astra Ascenderat”


4. Gloria • PDF Score

EQUAL VOICES : YouTube   •   Mp3 Labeled

SOPRANO : YouTube   •   Mp3 Labeled

ALTO : YouTube   •   Mp3 Labeled

TENOR : YouTube   •   Mp3 Labeled

BASS : YouTube   •   Mp3 Labeled


5. [females] Gradual • PDF Score

Video   Mp3 Labeled


6. [men] Alleluia • PDF Score

Video   Mp3 Labeled


7. Organ Improvisation before Sermon

There will undoubtedly be a Homily since it’s a First Mass.


8. [females] Offertory Antiphon • PDF Score

Video   Mp3 Labeled


9. Offert. Polyph. • Ave Maria • PDF Score

This piece was commissioned specifically for the First Mass of Fr. Luc Poirier.

EQUAL VOICES : YouTube   •   Mp3 Labeled

SOPRANO : YouTube   •   Mp3 Labeled

ALTO : YouTube   •   Mp3 Labeled

TENOR : YouTube   •   Mp3 Labeled

BASS : YouTube   •   Mp3 Labeled


10. Sanctus & Hosanna • PDF Score

EQUAL VOICES : YouTube   •   Mp3 Labeled

SOPRANO : YouTube   •   Mp3 Labeled

ALTO : YouTube   •   Mp3 Labeled

TENOR : YouTube   •   Mp3 Labeled

BASS : YouTube   •   Mp3 Labeled

MASS TITLE = “Te Saeculorum Principem” or “Jam Christus Astra Ascenderat”


11. Benedictus & Hosanna • PDF Score

EQUAL VOICES : YouTube   •   Mp3 Labeled

ALTO 1 : YouTube   •   Mp3 Labeled

ALTO 2 : YouTube   •   Mp3 Labeled

TENOR : YouTube   •   Mp3 Labeled

BASS : YouTube   •   Mp3 Labeled

MASS TITLE = “Te Saeculorum Principem” or “Jam Christus Astra Ascenderat”


12. Agnus Dei • PDF Score

EQUAL VOICES : YouTube   •   Mp3 Labeled

1st SOPRANO : YouTube   •   Mp3 Labeled

2nd SOPRANO : YouTube   •   Mp3 Labeled

ALTO : YouTube   •   Mp3 Labeled

1st TENOR : YouTube   •   Mp3 Labeled

2nd TENOR : YouTube   •   Mp3 Labeled

BASS : YouTube   •   Mp3 Labeled


13. [men] Communion Antiphon • PDF Score

Video Mp3 Labeled

Regina mundi dignissima is also designated for the May Crowning.


14. Guerrero’s MAGNIFICAT • PDF Score

EQUAL VOICES : YouTube   •   Mp3 Labeled

SOPRANO : YouTube   •   Mp3 Labeled

1st ALTO : YouTube   •   Mp3 Labeled

2nd ALTO : YouTube   •   Mp3 Labeled

TENOR : YouTube   •   Mp3 Labeled

BASS : YouTube   •   Mp3 Labeled

(The Antiphon will not be sung on Thursday, but it will be sung on Friday night.)


15. Communion Organ Music

If there be time for this.


16. Ite Missa Est

ITE MISSA EST from Mass IX.


17. Recessional Hymn

#778 from the Brébeuf Hymnal: “Our Lady’s Salutation”—a hymn published in 1595AD by St. Robert Southwell, an English Martyr—set to ENEMOND.


26 June 2019 • WEDNESDAY NIGHT

Opening Hymn:

For videos, visit this website and scroll down to #282

Labeled Mp3 files:   Equal Voices   |   SOPR • ALTO • TENR • BASS

Recessional Hymn:

For videos, visit this website and scroll down to #875

28 June 2019 • FRIDAY NIGHT


18. Lead, Kindly Light • PDF Score

This Score is © Copyrighted — but you can use it to rehearse

* Men sing 1st Half, Ladies sing 2nd Half

EQUAL VOICES : Mp3 Labeled

SOPRANO 1 : Mp3 Labeled

SOPRANO 2 : Mp3 Labeled

ALTO 1 : Mp3 Labeled

ALTO 2 : Mp3 Labeled

TENOR 1 : Mp3 Labeled

TENOR 2 : Mp3 Labeled

BASS 1 : Mp3 Labeled

BASS 2 : Mp3 Labeled

Opinions by blog authors do not necessarily represent the views of Corpus Christi Watershed.

Filed Under: Articles Last Updated: January 1, 2020

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President’s Corner

    PDF Download • “Atténde Dómine”
    Although it isn’t nearly as ancient as other hymns in the plainsong repertoire, Atténde Dómine, et miserére, quía peccávimus tíbi (“Look down, O Lord, and have mercy, for we have sinned against Thee”) has become one of the most popular hymns for LENT—perhaps because it was included in the famous Liber Usualis of Solesmes. This musical score (PDF file) has an incredibly accurate version in English, as well as a nice version in Spanish, and also the original Latin. Although I don’t claim to have a great singing voice, this morning I recorded this rehearsal video.
    —Jeff Ostrowski
    Music List • (1st Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I’ve prepared for this coming Sunday—22 February 2026—the 1st Sunday of Lent (Year A). If such a thing interests you, feel free to download it as a PDF file. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the outstanding feasts website alongside the official texts in Latin. I spent an enormous amount of time preparing this ORDER OF MUSIC—because the children’s choir will join us—and some of its components came out great. For example, the COMMUNION ANTIPHON with Fauxbourdon is utterly resplendent, yet still ‘Lenten’.
    —Jeff Ostrowski
    2-Voice Arrangement for Lent
    Those seeking a two-voice arrangement for LENT and PASSIONTIDE should click here and scroll down. It’s based on number 775 in the Brébeuf Hymnal, with an enchanting melody written by Kevin Allen (the legendary American composer of sacred music). That text—“Pendens In Crucis Cornibus”—is often used for the Feast of our Lady of Sorrows. That link is important because, in addition to the musical score, it provides free rehearsal videos for each individual voice: something volunteer choirs appreciate!
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of Febr. (2026)
    On a daily basis, I speak to people who don’t realize we publish a free newsletter (although they’ve followed our blog for years). We have no endowment, no major donors, no savings, and refuse to run annoying ads. As a result, our mailing list is crucial to our survival. It couldn’t be easier to subscribe! Just scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    PDF Chart • “Plainsong Rhythm”
    I will go to my grave without understanding the lack of curiosity so many people have about the rhythmic modifications made by Dom André Mocquereau. For example, how can someone examine this single sheet comparison chart and at a minimum not be curious about the differences? Dom Mocquereau basically creates a LONG-SHORT LONG-SHORT rhythmic pattern—in spite of enormous and overwhelming manuscript evidence to the contrary. That’s why some scholars referred to his method as “Neo-Mensuralist” or “Neo-Mensuralism.”
    —Jeff Ostrowski
    PDF • “O Come All Ye Faithful” (Simplified)
    I admire the harmonization of “Adeste Fideles” by David Willcocks (d. 2015), who served as director of the Royal College of Music (London, England). In 2025, I was challenged to create a simplified arrangement for organists incapable of playing the authentic version at tempo. The result was this simplified keyboard arrangement (PDF download) based on the David Willcocks version of “O Come All Ye Faithful.” Feel free to play through it and let me know what you think.
    —Jeff Ostrowski

Random Quote

“I have a great quarrel on with Dom Mocquereau over a very stiff book of his which we have translated & which a stupid American woman wants to be adapted to her understanding & terminology. It will be a little difficult to persuade the dear old man, for the lady is going to pay the piper. Truly money is at the root of all evils!”

— Dame Laurentia (talking about Justine Ward)

Recent Posts

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  • “Chant Is Not a Penitential Act” • Lenten Reflection by Daniel Marshall
  • (Ash Wednesday) • Medieval Illumination Depicting the Distribution of Ashes
  • Music List • (1st Sunday of Lent)

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